Construction of stairways



(No Model.)

P. RIESEGK.

CONSTRUCTION of VSTAIRWMS.

No. 3612.537.figg.;-

Patented May 1'0, 1887.

N. PETERS. PhawLilhugmphw. wnsnmgmw D. c.

'panyin g drawings, specification.

Erice.

PATrnr PETER RIESECK, OF ALLEGHENY, PENNSYLVANIA.

CONSTRUCTION OF sTAmwAYs.

SPECIFICATION forming part of Letters Patent No. 362,537, dated May 10, 1887. l Application filed September' 17,1886. Serial No. 2l3,84-2. (No model.)

To all whom'it may concern:

Be it knownthat I, PETER RIEsEcK, a citizen of the United States, residing at Allegheny, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in the Construction of Stairways; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same, referencev being had to the accomwhichform a part of this My invention relates to a stairway such as is used on nre-escapes or outside structures, the objects being to provide a stairway that will be adjustable in all of its parts; also, to provide a stairway that will be easily ascended or descended; and with these ends in view my invention consists in certain details of construction and combination of parts, as will be fully described hereinafter.

In the accompanying drawings, Figure 1 is a side elevation of my improved stairway constructed spirally about onek or more vertical posts, constructed in accordance with my invention. Fig. 2 is aplan view of the same. Fig. 3 is an enlarged detailed side elevation of a-portion of the stairway, showing the manner in which the hand-rail, balusters, and steps are attached to each other. Fig. 4 is an end view of the strap or clamp which connects the handrail and balusters together. Fig. 5 is a plan View of one end of a step, showing the means of adjusting the tread of the same. Fig. 6 is a plan view of the bracket for supporting the platform and stairways, andthe means by which the same is secured to the vertical columns.

To put my invention into practice, I prefer to erect a number of columns, a, in the form of a square, and secure the same in that position by braces at the top until the stairway has been completed. I now secure along metallic strip,.b, ofthe desiredsize to the side of -two of the columns a by clamp c and bolts d. rIhis clamp c, I construct smaller in diameter than the columns c, which allows the same to be securely attached thereto. I nowr secure an inner handrail, e, to the columns a in an oblique position, which winds about the columns a. Asecond or outside handrail, g, is placed in position, as shown, of the same length and form of construction as that before described, each of which has at intervals short horizontal parts corresponding to the platforms f of the stairway. To these two hand-rails e and g, I secure the balusters h by means of a band or clamp, c', which encrcles the handrails, and provided with a bolt, j, which I pass through an opening, k, in the top of the baluster h. This boltj serves to clamp the band i about any portion of the handfrails e org, and also secures the balusters to the bands z'. At the lower end of the balusters h, I form a long screwthread, Z, on which I place four nuts, m, one above and below each stepn ora distancepiece, o, maybe placed between the steps n,

consisting of a hollow section of tubing cut to the proper' length and placed over the threaded portion of the balusters h between the steps n. At the rear of each of the steps n, I form 'two or more circular openings, q, in any one or" which the balusters h may be placed, thus changing the tread of the stairway. The first iiight of steps, r, consists in those erected from the ground, beginning at one column and ending at the next, at which point a small square platform, f, is constructed and supported by the hand-rails e g and brace or bracket b. Another flight, s, is commenced at the column where the iirst Hight stopped, but at right angles, thus leaving a landing space or platform; another flight at the top of the last mentioned, and continued as before until the desired height is reached. By this construction I form a continuous/flight of steps, each having asquare or equal-sided tread, which is much easier and safer to ascend or descend.

By means of the clamp i, the threaded portion of the balusters, and the several openings q, formed in the steps n, the tread of the same may be altered, adj usted, or changed at will.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. Astairway consisting of four columns arranged relatively at right angles toeach other,

awinding band surrounding thesaid columns, platforms supported by the columns, a winding hand-rail, the balusters having their lower ends threaded, and provided with nuts for securing the same to the steps, and the clamps embracing the hand-rail and bolted to eyes in ICO the upper ends of the balusters, substantially as specified.

2. In a Winding stairway, the combination, with steps and one or more columns, of the balusters having their upper ends perforated, the hand-rail, the clamps t', embracing the said rails, and the bolts j, for connecting the same with the balusters, substantially as specified.

3. The combination, in a stairway, of steps having perforations, as described, balusters adaptedto be adj ustably secured vertically to the said steps, and a clamp at the upper end 4. In a stairway such as described, the combination consisting of the hand-rails e and g, the balusters h, and the adjustable clamps z', for securing the same tothe hand-rails, the threaded portion of the baluster h and nuts m, and a step having two or more openings, q, formed in the same, whereby the tread of the step may be changed or adjusted to any required height and width, substantially as de scribed. i

' PETER RIESECK;

Witnesses:

C. C. LEE, M. E. Harrison. 

